STL to DEC

St Louis to Decatur flight ticket price

Compare fares, departure times, stops and baggage details for this route, then open the full search when you are ready to check current availability and complete booking.

STL
St Louis (STL), United StatesLambert-St Louis Intl
DEC
Decatur (DEC), United StatesDecatur Arpt
Search

Live flights for Sat, 06 Jun 2026

Review fares, stops, timings and baggage. Use Search or View all flights for the complete search result.

Showing flight options for the selected travel date.
Currency: USD
Sat, 06 JunSTL to DEC$338 Sun, 07 JunSTL to DEC Mon, 08 JunSTL to DEC Tue, 09 JunSTL to DEC Wed, 10 JunSTL to DEC Thu, 11 JunSTL to DEC Fri, 12 JunSTL to DEC
Sort By:DepartureDurationArrivalPrice
United Airlines
United Airlines
UA-4423
07:22
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
25H :35 M
1 Stop
ORD · 22h 45mChicago (ORD), United States
08:57
2026-06-07
Decatur (DEC)United StatesDecatur Arpt
$338
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-4567
08:00
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
24H :57 M
1 Stop
ORD · 22h 10mChicago (ORD), United States
08:57
2026-06-07
Decatur (DEC)United StatesDecatur Arpt
$338
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-5572
09:14
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
23H :43 M
1 Stop
ORD · 20h 56mChicago (ORD), United States
08:57
2026-06-07
Decatur (DEC)United StatesDecatur Arpt
$338
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-4517
10:25
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
22H :32 M
1 Stop
ORD · 19h 48mChicago (ORD), United States
08:57
2026-06-07
Decatur (DEC)United StatesDecatur Arpt
$338
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-4395
11:25
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
21H :32 M
1 Stop
ORD · 18h 42mChicago (ORD), United States
08:57
2026-06-07
Decatur (DEC)United StatesDecatur Arpt
$338
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-1382
13:13
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
19H :44 M
1 Stop
ORD · 17h 02mChicago (ORD), United States
08:57
2026-06-07
Decatur (DEC)United StatesDecatur Arpt
$338
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-4536
15:22
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
17H :35 M
1 Stop
ORD · 14h 45mChicago (ORD), United States
08:57
2026-06-07
Decatur (DEC)United StatesDecatur Arpt
$338
total fare
Non Refundable 3 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-4536
15:22
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
26H :34 M
1 Stop
ORD · 23h 45mChicago (ORD), United States
17:56
2026-06-07
Decatur (DEC)United StatesDecatur Arpt
$338
total fare
Non Refundable 3 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-1639
17:29
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
15H :28 M
1 Stop
ORD · 12h 45mChicago (ORD), United States
08:57
2026-06-07
Decatur (DEC)United StatesDecatur Arpt
$338
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-1639
17:29
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
24H :27 M
1 Stop
ORD · 21h 45mChicago (ORD), United States
17:56
2026-06-07
Decatur (DEC)United StatesDecatur Arpt
$338
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-4411
19:05
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
13H :52 M
1 Stop
ORD · 11h 10mChicago (ORD), United States
08:57
2026-06-07
Decatur (DEC)United StatesDecatur Arpt
$338
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-4411
19:05
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
22H :51 M
1 Stop
ORD · 20h 10mChicago (ORD), United States
17:56
2026-06-07
Decatur (DEC)United StatesDecatur Arpt
$338
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-4395
11:25
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
6H :31 M
1 Stop
ORD · 3h 42mChicago (ORD), United States
17:56
2026-06-06
Decatur (DEC)United StatesDecatur Arpt
$347
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-1382
13:13
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
4H :43 M
1 Stop
ORD · 2h 02mChicago (ORD), United States
17:56
2026-06-06
Decatur (DEC)United StatesDecatur Arpt
$347
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-1008
06:00
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
11H :56 M
1 Stop
ORD · 9h 15mChicago (ORD), United States
17:56
2026-06-06
Decatur (DEC)United StatesDecatur Arpt
$385
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-4423
07:22
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
10H :34 M
1 Stop
ORD · 7h 45mChicago (ORD), United States
17:56
2026-06-06
Decatur (DEC)United StatesDecatur Arpt
$385
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-4567
08:00
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
9H :56 M
1 Stop
ORD · 7h 10mChicago (ORD), United States
17:56
2026-06-06
Decatur (DEC)United StatesDecatur Arpt
$385
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-5572
09:14
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
8H :42 M
1 Stop
ORD · 5h 56mChicago (ORD), United States
17:56
2026-06-06
Decatur (DEC)United StatesDecatur Arpt
$385
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
United Airlines
United Airlines
UA-4517
10:25
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
7H :31 M
1 Stop
ORD · 4h 48mChicago (ORD), United States
17:56
2026-06-06
Decatur (DEC)United StatesDecatur Arpt
$385
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-1524
06:00
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
11H :56 M
2 Stops
ATL · 3h 38mAtlanta (ATL), United States
ORD · 3h 14mChicago (ORD), United States
17:56
2026-06-06
Decatur (DEC)United StatesDecatur Arpt
$572
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-1597
06:21
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
11H :35 M
2 Stops
MSP · 3h 41mMinneapolis (MSP), United States
MDW · 3h 26mChicago (MDW), United States
17:56
2026-06-06
Decatur (DEC)United StatesDecatur Arpt
$572
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-1626
06:45
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
11H :11 M
2 Stops
DTW · 3h 11mDetroit (DTW), United States
ORD · 3h 49mChicago (ORD), United States
17:56
2026-06-06
Decatur (DEC)United StatesDecatur Arpt
$572
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included

Recommended hotels in Decatur

Stay options near the arrival city for the same travel date.

Search hotels
Comfort Inn & Suites River City Decatur
3.0Very GoodLive availability

Comfort Inn & Suites River City Decatur

- 2212 Danville Road SW 35601 Decatur AL United States of America,

Free WiFiACBreakfast
Room availability is checked live
$108per night+ taxes if applicable

1 Night • 3 Star

DoubleTree by Hilton Hotel Decatur Riverfront
4.0Very GoodLive availability

DoubleTree by Hilton Hotel Decatur Riverfront

- 1101 6th Ave NE, Decatur, AL 35601 ,

Free WiFiACBreakfast
Room availability is checked live
$115per night+ taxes if applicable

1 Night • 4 Star

Home2 Suites by Hilton Decatur Ingalls Harbor
3.0Very GoodLive availability

Home2 Suites by Hilton Decatur Ingalls Harbor

- 807 Island Way NW, Decatur, AL 35601 ,

Free WiFiACBreakfast
Room availability is checked live
$142per night+ taxes if applicable

1 Night • 3 Star

HOLIDAY INN EXPRESS AND SUITES DECATUR
3.0Very GoodLive availability

HOLIDAY INN EXPRESS AND SUITES DECATUR

- 2407 Beltline Rd 35601 Decatur AL US,

Free WiFiACBreakfast
Room availability is checked live
$143per night+ taxes if applicable

1 Night • 3 Star

Delta Air Lines
Delta Air Lines
DL-1536
07:05
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
10H :51 M
2 Stops
ATL · 2h 41mAtlanta (ATL), United States
ORD · 3h 14mChicago (ORD), United States
17:56
2026-06-06
Decatur (DEC)United StatesDecatur Arpt
$572
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-1524
06:00
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
26H :57 M
2 Stops
ATL · 3h 38mAtlanta (ATL), United States
ORD · 18h 14mChicago (ORD), United States
08:57
2026-06-07
Decatur (DEC)United StatesDecatur Arpt
$577
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-1597
06:21
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
26H :36 M
2 Stops
MSP · 3h 41mMinneapolis (MSP), United States
MDW · 18h 26mChicago (MDW), United States
08:57
2026-06-07
Decatur (DEC)United StatesDecatur Arpt
$577
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
Delta Air Lines
Delta Air Lines
DL-1626
06:45
2026-06-06
St Louis (STL)United StatesLambert-St Louis Intl
26H :12 M
2 Stops
DTW · 3h 08mDetroit (DTW), United States
MDW · 19h 03mChicago (MDW), United States
08:57
2026-06-07
Decatur (DEC)United StatesDecatur Arpt
$577
total fare
Non Refundable 9 Seat Left Economy
Cabin: Included
View all flights
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Fare highlights

Selected flight highlights for 06 Jun 2026.

Open full search
Lowest fare $338 United Airlines 07:22
Earliest departure $385 United Airlines 06:00
Shortest duration $347 United Airlines 13:13
Night 00:00-05:59 No option Open full search for more
Morning 06:00-11:59 $338 United Airlines at 07:22
Afternoon 12:00-17:59 $338 United Airlines at 13:13
Evening 18:00-23:59 $338 United Airlines at 19:05

St Louis to Decatur route details

St Louis (STL)

Lambert-St Louis Intl

United States

GMT -6

Latitude: 38.748697

Longitude: -90.370003

Decatur (DEC)

Decatur Arpt

United States

GMT -6

Latitude: 39.834598541259766

Longitude: -88.8656997680664

Distance: St Louis (STL), United States to Decatur (DEC), United States - 177.02 km
Flights shown for 06 Jun 2026. View all flights opens the complete search result.

St Louis to Decatur - what to expect when booking

The STL to DEC cards above show selected flight options. Airline prices and seat availability can move quickly, so the final fare is rechecked in the booking flow.

Approx route distance: 177.02 km.

Before you book

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Frequently asked questions - St Louis to Decatur flights
Generally yes. When your travel date is fixed, comparing live fares early gives you better visibility of timings, baggage and fare rules before prices change.
The approximate route distance between St Louis (STL) and Decatur (DEC) is 177.02 km. Actual flying distance can vary by airline routing.
Availability changes by airline schedule and date. Use the Stops filter to quickly check non-stop, one-stop and connecting options on this landing page.
Airline inventory can change within minutes. Book Now sends the selected result to the review flow where the fare is checked again before final booking.
Yes. The date strip and search box open the full search for the selected date, while this page keeps the route details easy to compare.